import com.qing.emos.wx.exception.EmosException;
import lombok.extern.slf4j.Slf4j;
import org.apache.shiro.authz.UnauthorizedException;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.*;
@Slf4j
//@RestControllerAdvice可以捕獲SpringMVC異常
@RestControllerAdvice
public class ExceptionAdvice {
    @ResponseBody
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
//    ExceptionHandler用于全局捕獲異常
    @ExceptionHandler(Exception.class)
    public String validExcepionHandler(Exception e){
        log.error("執(zhí)行異常",e);
//        后端驗(yàn)證失敗的異常，參數(shù)沒傳，或者傳的不對(duì)
        if(e instanceof MethodArgumentNotValidException){
            MethodArgumentNotValidException exception = (MethodArgumentNotValidException) e;
            return exception.getBindingResult().getFieldError().getDefaultMessage();
        }
//        精簡(jiǎn)異常的內(nèi)容，EmosException為自己定義異常
        else if(e instanceof EmosException){
            EmosException exception = (EmosException) e;
            return  exception.getMsg();
        }
//        未授權(quán)異常
        else if(e instanceof UnauthorizedException){
            return "你不具備相關(guān)權(quán)限";
        }
//       普通異常
        else {
            return "后端執(zhí)行異常";
        }
    }
}